CN110618244A - Device and method for detecting water quality, water purification equipment and storage medium - Google Patents
Device and method for detecting water quality, water purification equipment and storage medium Download PDFInfo
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- CN110618244A CN110618244A CN201810634855.8A CN201810634855A CN110618244A CN 110618244 A CN110618244 A CN 110618244A CN 201810634855 A CN201810634855 A CN 201810634855A CN 110618244 A CN110618244 A CN 110618244A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
- G01N33/1806—Water biological or chemical oxygen demand (BOD or COD)
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/10—Solids, e.g. total solids [TS], total suspended solids [TSS] or volatile solids [VS]
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/11—Turbidity
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/20—Total organic carbon [TOC]
Abstract
The invention discloses a device and a method for detecting water quality, water purification equipment and a storage medium, wherein the device for detecting water quality comprises a water quality sensor, a first switch, a second switch, a main water quality detection flow path, a first detection branch, a second detection branch, a controller and a prompter, wherein the water quality sensor is used for detecting water quality information of water flowing through the main water quality detection flow path; the controller is used for controlling the first switch to be turned on and the second switch to be turned off so that the inlet water of the first detection branch flows through the main water quality detection flow path to obtain the water quality information of the inlet water, and controlling the first switch to be turned off and the second switch to be turned on so that the purified water of the second detection branch flows through the main water quality detection flow path to obtain the water quality information of the purified water; the prompter is used for prompting the water quality information of inlet water and the water quality information of purified water. The device, the method and the equipment can provide more water quality information, so that a user can know the water consumption condition more comprehensively.
Description
Technical Field
The invention belongs to the technical field of electric appliance manufacturing, and particularly relates to a water quality detection device, a water purification device comprising the water quality detection device, a water quality detection method and a storage medium.
Background
With the development of economy and improvement of life quality of people, drinking water quality is paid more and more attention to by people, and the quality of water quality becomes a hot point of attention of people. For water quality detection, most of the existing water dispensers or water purifiers have only one index, namely TDS (Total dissolved solids), which is also called Total dissolved solids (Total dissolved solids), and the measurement unit is milligram/liter (mg/L), which indicates how many milligram of dissolved solids are dissolved in 1 liter of water. The higher the TDS value is, the more dissolved matters are contained in the water, the value of dissolved solid content in the water can be only reflected, and the water quality is not comprehensive.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art.
Therefore, a first object of the present invention is to provide a water quality detecting apparatus, which can provide more water quality information and improve the accuracy of water quality detection.
The second purpose of the invention is to provide a water purifying device.
The third purpose of the invention is to provide a method for detecting water quality.
A fourth object of the invention is to propose a storage medium.
In order to achieve the above object, an apparatus for detecting water quality according to an embodiment of a first aspect of the present invention includes: the water quality detection device comprises a water quality sensor, a first switch, a second switch, a water quality detection main flow path, a first detection branch path and a second detection branch path, wherein one end of the first detection branch path is connected with a water inlet flow path of water purification equipment, the other end of the first detection branch path is connected with the water quality detection main flow path, the first switch is arranged on the first detection branch path, one end of the second detection branch path is connected with a purified water output flow path of the water purification equipment, the other end of the second detection branch path is connected with the water quality detection main flow path, the second switch is arranged on the second detection branch path, the water quality sensor is arranged on the water quality detection main flow path, and the water quality sensor is used for detecting the water quality information of water flowing through the water quality detection main flow path; the controller is used for controlling the first switch to be turned on and the second switch to be turned off so that the inflow water of the first detection branch flows through the main water quality detection flow path to obtain the inflow water quality information, and controlling the first switch to be turned off and the second switch to be turned on so that the purified water of the second detection branch flows through the main water quality detection flow path to obtain the purified water quality information; and the prompter is used for prompting the water quality information of the inlet water and the water quality information of the purified water.
According to the device for detecting water quality, disclosed by the embodiment of the invention, through the switching of the water quality sensor and the water inlet flow path and the water purification flow path, not only can the water quality information of purified water be obtained, but also the water quality information of inlet water can be obtained, more water quality information is provided, and the prompting device is used for prompting, so that a user can compare the water quality conditions of inlet water and purified water, more intuitively know the water quality filtering condition, and improve the acceptance of the user on purification equipment.
In some embodiments, the water quality sensor is a multispectral sensor.
In some embodiments, the multispectral sensor is configured to detect water quality information of at least one of a color, a turbidity, a TOC, and a COD of water flowing through the water quality detection main flow path.
In some embodiments, the controller is configured to obtain water quality information of a plurality of intakes and water quality information of a plurality of purified waters, obtain an average value of the water quality information of the intakes and an average value of the water quality information of the purified waters, and provide the average value of the water quality information of the intakes and the average value of the water quality information of the purified waters to the prompter.
In order to achieve the above object, a water purifying apparatus according to an embodiment of the second aspect of the present invention includes an apparatus body, a water purifying device and the water quality detecting device, wherein the water purifying device is connected to a water inlet flow path and a purified water output flow path, respectively, and is configured to purify water inlet from the water inlet flow path and output purified water through the purified water output flow path for drinking.
According to the water purifying equipment provided by the embodiment of the invention, more water quality information can be provided by adopting the water quality detecting device provided by the embodiment, so that a user can compare the water inlet with the purified water, more comprehensively know the water quality condition of the water, and improve the recognition degree.
In order to achieve the above object, a method for detecting water quality according to a third aspect of the present invention includes a water quality sensor, a first switch, a second switch, a main water quality detection flow path, a first detection branch and a second detection branch, wherein one end of the first detection branch is connected to a water inlet flow path of a water purification apparatus, the other end of the first detection branch is connected to the main water quality detection flow path, the first switch is disposed on the first detection branch, one end of the second detection branch is connected to a purified water output flow path of the water purification apparatus, the other end of the second detection branch is connected to the main water quality detection flow path, the second switch is disposed on the second detection branch, the water quality sensor is disposed on the main water quality detection flow path, and the water quality sensor is configured to detect water quality information of water flowing through the main water quality detection flow path, the method comprises the following steps: controlling the first switch to be turned on and the second switch to be turned off so that the inlet water of the first detection branch flows through the main water quality detection flow path to obtain the water quality information of the inlet water; controlling the first switch to be closed and controlling the first switch to be opened so that the purified water of the second detection branch flows through the water quality detection main flow path to obtain the water quality information of the purified water; and prompting the water quality information of the inlet water and the water quality information of the purified water.
According to the method for detecting the water quality, provided by the embodiment of the invention, not only can the water quality information of the purified water be obtained, but also the water quality information of the inlet water can be obtained, so that a user can compare the water quality conditions of the inlet water and the purified water, the water quality filtering condition can be more intuitively known, and the acceptance of the user on the purifying equipment is improved.
In some embodiments, the water quality sensor is a multispectral sensor.
In some embodiments, the water quality information includes at least one of chroma, turbidity, TOC, and COD.
In some embodiments, the method further comprises: obtaining water quality information of water which is fed for many times and obtaining water quality information of water which is purified for many times; calculating the average value of the water quality information of the inlet water and the average value of the water quality information of the purified water; and prompting the average value of the water quality information of the inlet water and the average value of the water quality information of the purified water.
In order to achieve the above object, a storage medium according to a fourth aspect of the present invention stores a computer program, and when the computer program is executed by a processor, the method for detecting water quality is implemented.
According to the storage medium of the embodiment of the invention, the computer program of the method for detecting water quality of the above embodiment is stored, thereby providing a basis for realizing the method for detecting water quality.
Drawings
Fig. 1 is a schematic view of a water purifying apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a signal flow of an apparatus for detecting water quality according to an embodiment of the present invention;
fig. 3 is a flow chart of a method of detecting water quality according to one embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
An apparatus for detecting water quality according to an embodiment of the first aspect of the present invention will be described with reference to the accompanying drawings.
Fig. 1 is a schematic diagram of a water purifying apparatus according to an embodiment of the present invention, fig. 2 is a schematic diagram of a signal flow when a device 100 for detecting water quality according to an embodiment of the present invention operates, and as shown in fig. 1 and 2, the device 100 for detecting water quality according to an embodiment of the present invention includes a water quality sensor 10, a first switch 11, a second switch 12, a main water quality detection flow path 13, a first detection branch path 14, a second detection branch path 15, a controller 16, and a prompter 17.
Wherein, one end of the first detection branch 14 is connected with the water inlet flow path 1 of the water purifying device 1000, the other end of the first detection branch 14 is connected with the main water quality detection flow path 2, the first switch 11 is arranged on the first detection branch 14, one end of the second detection branch 15 is connected with the purified water output flow path 3 of the water purifying device 1000, the other end of the second detection branch 15 is connected with the main water quality detection flow path 2, the second switch 12 is arranged on the second detection branch 15, the water quality sensor 10 is arranged on the main water quality detection flow path 2, and the water quality sensor 10 is used for detecting the water quality information of the water flowing through the main water quality detection flow path 2.
The controller 16 is configured to control the first switch 11 to be turned on and control the second switch 12 to be turned off so that the inlet water of the first detection branch 14 flows through the main water quality detection flow path 2 to obtain the water quality information of the inlet water, and control the first switch 11 to be turned off and control the second switch 12 to be turned on so that the purified water of the second detection branch 15 flows through the main water quality detection flow path 2 to obtain the water quality information of the purified water.
Specifically, when a user takes water, the controller controls the first switch 11 to be turned on and the second switch 12 to be turned off, and after a certain period of time, the inlet water of the water purifying apparatus 1000 flows through the main water quality detecting flow path 2, and the water quality sensor 10 collects the water quality information of the inlet water and transmits the water quality information to the controller 16 for storage. Further, the controller 16 controls the first switch 11 to be closed and the second switch 12 to be opened, and at this time, the purified water flows through the water quality detection main flow path 2, and the water quality sensor 10 collects the water quality information of the purified water.
The prompter 17 is used for prompting the water quality information of the inlet water and the water quality information of the purified water. For example, the controller 16 transmits the detected water quality information of the inlet water and the detected water quality information of the purified water to the display screen, and the information is displayed through the display screen, so that a user can visually compare the water quality information of the inlet water and the purified water, and meanwhile, the water quality condition can be more comprehensively known, and the effect of the water purifying equipment can be recognized.
According to the device 100 for detecting water quality of the embodiment of the invention, through the switching of the water quality sensor 10 and the water inlet flow path and the purified water flow path, not only the water quality information of the purified water but also the water quality information of the inlet water can be obtained, more water quality information is provided, and the prompting device 17 is used for prompting, so that a user can compare the water quality conditions of the inlet water and the purified water, more intuitively know the water quality filtering condition, and improve the recognition degree of the user on the purifying equipment.
In some embodiments of the invention, the water quality sensor 10 is a multispectral sensor. Can only detect under the TDS's of clarification plant original condition, install multispectral sensor in equipment, can increase more indexes that can show the quality of water condition, know the quality of water more comprehensively through more quality of water information.
Further, in some embodiments, the multispectral sensor is used to detect water quality information of at least one of chromaticity, turbidity, TOC (Total Organic Carbon), and COD (Chemical Oxygen Demand) of water flowing through the main water quality detection flow path, wherein the chromaticity represents a multiple relationship between colored water and clean water, and is an indicator of the timing of color determination of natural water or various types of water after treatment, turbidity is an obstruction degree of suspended matter in water to light transmission, suspended matter in water is generally mud, sand, fine Organic and inorganic matter, plankton, microorganism, and colloidal matter, etc., TOC is a Total amount of dissolved and suspended Organic Carbon in water and is generally an important criterion for evaluating the degree of Organic pollution of water, COD is an amount of reducing substances to be oxidized in a water sample, it reflects the degree of contamination of the water by reducing substances.
Through set up multispectral sensor in water purification unit 1000, be applied to water purification unit with multispectral detection technique, can gather more quality of water information that reflects quality of water, except TDS information, can also increase more indexes that reflect the quality of water condition, for example colourity, turbidity, TOC, COD etc. detect organic matter and microorganism content in the aquatic, can obtain quality of water information through the analytical calculation for the user knows the quality of water more comprehensively, and drinking water safety obtains higher assurance.
In an embodiment, the controller 16 is configured to obtain the water quality information of the multiple water intakes and the water quality information of the multiple purified water intakes, obtain an average value of the water quality information of the intake water and an average value of the water quality information of the purified water, and provide the average value of the water quality information of the intake water and the average value of the water quality information of the purified water to the 17 prompter, so that the water quality information is more accurate.
As shown in fig. 2, in some embodiments, the first switch 11 and the second switch 12 may be solenoid valves. Specifically, a water quality sensor 10, an electromagnetic valve 1 and an electromagnetic valve 2 are arranged in a water purifying device such as a water dispenser or a water purifying machine, the electromagnetic valve 1 and the electromagnetic valve 2 work alternately, when the electromagnetic valve 1 is opened, the electromagnetic valve 2 is in a closed state, and the time is delayed by T1, so that the water quality sensor 10 works to detect the water quality information of inlet water such as tap water; when the electromagnetic valve 2 is opened, the electromagnetic valve 1 is in a closed state, the time T2 is delayed, and the water quality sensor 10 works to detect the water quality information of the purified water; so detect in turn, detect preset number of times for example 2-3 after water purification unit 1000 works, obtain the average value of the quality of water information of intaking and the average value of the quality of water information of water purification to provide the average value for prompting device 17 for example the display screen, thereby, the user can know the contrast of quality of water information, promotes user's water experience.
In summary, the apparatus 100 for detecting water quality according to the embodiment of the present invention can increase the index of water quality detection by using the spectrum water quality detection technology, and can compare the water quality conditions of the inlet water and the purified water, so as to facilitate the user to comprehensively know the water quality information of the water.
Based on the apparatus for detecting water quality of the above embodiment, a water purifying device according to an embodiment of the second aspect of the present invention will be described below with reference to the accompanying drawings.
As shown in fig. 1, a water purifying apparatus 1000 according to an embodiment of the present invention includes an apparatus body 200, a water purifying device 300, and the device 100 for detecting water quality according to the above embodiment.
The water purifying device 300 is connected to the water inlet flow path 1 and the purified water output flow path 3, respectively, the water purifying device 300 is configured to purify the inlet water of the water inlet flow path 1, and output the purified water through the purified water output flow path 3 for drinking, and the water quality detection process of the water quality detecting device 100 may refer to the description of the above embodiments, and is not described herein again. The device 100 for detecting water quality collects water quality information of inlet water and water quality information of purified water respectively when working, because the water quality sensor also needs to detect inlet water which is not purified by the purifying device 300, and in order to avoid the pollution of the water quality sensor to water, the inlet water and the purified water which are used for detection can be discharged through a waste water discharging port of the water purifying device 1000.
According to the water purifying apparatus 1000 of the embodiment of the invention, by adopting the water quality detecting device 100 of the above embodiment, more water quality information can be provided, so that a user can compare the water inlet with the purified water, more comprehensively know the water quality condition of the water, and improve the recognition degree.
A method for detecting water quality according to an embodiment of a third aspect of the present invention will be described with reference to the accompanying drawings, in which, in an embodiment of the present invention, as shown in fig. 1, the apparatus for detecting water quality includes a water quality sensor, a first switch, a second switch, a main water quality detection flow path, a first detection branch and a second detection branch, the water quality detection device comprises a water purification device, a water quality detection main flow path, a first switch, a second switch, a water quality sensor and a water quality sensor, wherein one end of the first detection branch path is connected with the water inlet flow path of the water purification device, the other end of the first detection branch path is connected with the water quality detection main flow path, the first switch is arranged on the first detection branch path, one end of the second detection branch path is connected with the purified water output flow path of the water purification device, the other end of the second detection branch path is connected with the water quality detection main flow path, the second switch is arranged on the second detection branch path, the water quality sensor is arranged on the water.
Fig. 3 is a flowchart of a method for detecting water quality according to an embodiment of the present invention, and as shown in fig. 3, the method for detecting water quality according to an embodiment of the present invention includes:
and S1, controlling the first switch to be opened and the second switch to be closed so that the inlet water of the first detection branch flows through the main water quality detection flow path, and acquiring the water quality information of the inlet water.
And S2, controlling the first switch to be closed and controlling the first switch to be opened so that the purified water of the second detection branch flows through the water quality detection main flow path, and obtaining the water quality information of the purified water.
And S3, prompting the water quality information of the inlet water and the water quality information of the purified water.
According to the method for detecting the water quality, provided by the embodiment of the invention, not only can the water quality information of the purified water be obtained, but also the water quality information of the inlet water can be obtained, so that a user can compare the water quality conditions of the inlet water and the purified water, the water quality filtering condition can be more intuitively known, and the acceptance of the user on the purifying equipment is improved.
In some embodiments of the invention, the water quality sensor is a multispectral sensor. For example, in the case that the purifying device originally can only detect TDS, a multispectral sensor can be installed in the device, so that more indicators that can indicate the water quality condition can be added, in some embodiments, the water quality information includes at least one of chromaticity, turbidity, TOC and COD, and the quality of the water can be more comprehensively known through more water quality information.
Specifically, water quality information of multiple water intakes and water quality information of multiple water intakes are obtained; calculating the average value of the water quality information of the inlet water and the average value of the water quality information of the purified water; and presenting the average value of the water quality information of the inlet water and the average value of the water quality information of the purified water. For example, when the water getting signal is detected, the steps S1 and S2 may be alternated, and the average value of the water quality information is obtained by performing the detection 2-3 times and provided to the display screen, so that the user can know the comparison of the water quality information and improve the water using experience of the user.
A storage medium according to a fourth embodiment of the present invention stores a computer program that, when executed by a processor, implements the method of detecting water quality as in the above embodiments.
According to the storage medium of the embodiment of the invention, the computer program of the method for detecting water quality of the above embodiment is stored, thereby providing a basis for realizing the method for detecting water quality.
It should be noted that in the description of this specification, any process or method description in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and that the scope of the preferred embodiments of the present invention includes additional implementations in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present invention.
The logic and/or steps represented in the flowcharts or otherwise described herein, e.g., an ordered listing of executable instructions that can be considered to implement logical functions, can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For the purposes of this description, a "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device. More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic device) having one or more wires, a portable computer diskette (magnetic device), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). Additionally, the computer-readable medium could even be paper or another suitable medium upon which the program is printed, as the program can be electronically captured, via for instance optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner if necessary, and then stored in a computer memory.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. An apparatus for detecting water quality, comprising:
the water quality detection device comprises a water quality sensor, a first switch, a second switch, a water quality detection main flow path, a first detection branch path and a second detection branch path, wherein one end of the first detection branch path is connected with a water inlet flow path of water purification equipment, the other end of the first detection branch path is connected with the water quality detection main flow path, the first switch is arranged on the first detection branch path, one end of the second detection branch path is connected with a purified water output flow path of the water purification equipment, the other end of the second detection branch path is connected with the water quality detection main flow path, the second switch is arranged on the second detection branch path, the water quality sensor is arranged on the water quality detection main flow path, and the water quality sensor is used for detecting the water quality information of water flowing through the water quality detection main flow path;
the controller is used for controlling the first switch to be turned on and the second switch to be turned off so that the inflow water of the first detection branch flows through the main water quality detection flow path to obtain the inflow water quality information, and controlling the first switch to be turned off and the second switch to be turned on so that the purified water of the second detection branch flows through the main water quality detection flow path to obtain the purified water quality information;
and the prompter is used for prompting the water quality information of the inlet water and the water quality information of the purified water.
2. The apparatus for detecting water quality according to claim 1, wherein the water quality sensor is a multispectral sensor.
3. The apparatus for detecting water quality according to claim 1, wherein the multispectral sensor is configured to detect at least one of chromaticity, turbidity, TOC, and COD of water flowing through the main water quality detection flow path.
4. The apparatus for detecting water quality according to claim 1, wherein the controller is configured to obtain the water quality information of the plurality of inflows and the water quality information of the plurality of purified waters, obtain an average value of the water quality information of the inflows and an average value of the water quality information of the purified waters, and provide the average value of the water quality information of the inflows and the average value of the water quality information of the purified waters to the prompter.
5. A water purifying apparatus comprising an apparatus body, a water purifying device and the apparatus for detecting water quality according to any one of claims 1 to 4, wherein the water purifying device is connected to a water inlet flow path and a purified water outlet flow path, respectively, and is configured to purify the water fed to the water inlet flow path and to output the purified water through the purified water outlet flow path for drinking.
6. A method for detecting water quality is characterized in that a device for detecting water quality comprises a water quality sensor, a first switch, a second switch, a main water quality detection flow path, a first detection branch path and a second detection branch path, wherein one end of the first detection branch path is connected with a water inlet flow path of a water purifying device, the other end of the first detection branch path is connected with the main water quality detection flow path, the first switch is arranged on the first detection branch path, one end of the second detection branch path is connected with a purified water output flow path of the water purifying device, the other end of the second detection branch path is connected with the main water quality detection flow path, the second switch is arranged on the second detection branch path, the water quality sensor is arranged on the main water quality detection flow path, and the water quality sensor is used for detecting water quality information of water flowing through the main water quality detection flow path, the method comprises the following steps:
controlling the first switch to be turned on and the second switch to be turned off so that the inlet water of the first detection branch flows through the main water quality detection flow path to obtain the water quality information of the inlet water;
controlling the first switch to be closed and controlling the first switch to be opened so that the purified water of the second detection branch flows through the water quality detection main flow path to obtain the water quality information of the purified water;
and prompting the water quality information of the inlet water and the water quality information of the purified water.
7. The method of claim 6, wherein the water quality sensor is a multispectral sensor.
8. The method of detecting water quality according to claim 7, wherein the water quality information includes at least one of chromaticity, turbidity, TOC, and COD.
9. The method of detecting water quality of claim 6, further comprising:
obtaining water quality information of water which is fed for many times and obtaining water quality information of water which is purified for many times;
calculating the average value of the water quality information of the inlet water and the average value of the water quality information of the purified water;
and prompting the average value of the water quality information of the inlet water and the average value of the water quality information of the purified water.
10. A storage medium storing a computer program, wherein the computer program, when executed by a processor, implements a method of detecting water quality as claimed in any one of claims 6 to 9.
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Application publication date: 20191227 |